"We were cruising and we should have scored more goals when we were on top because we had 20 efforts at goal, 11 on target. That's not a bad statistic," said Kevan.
"We were really comfortable for 44 minutes, passing it around well, causing them problems and then we switched off and let them back into it.
"We missed John Thompson in the second half because he was forced off through injury and it disrupted our balance but not being able to keep a clean sheet has cost us all three points.
"It's very frustrating but all the players are having a right go for promotion for this football club and we still have three or four games in hand on the teams around us."